@ARTICLE{2014A&A...567A..60G,
       author = {{Gallenne}, A. and {Kervella}, P. and {M{\'e}rand}, A. and {Evans}, N.~R. and {Girard}, J.~H.~V. and {Gieren}, W. and {Pietrzy{\'n}ski}, G.},
        title = "{Searching for visual companions of close Cepheids. VLT/NACO lucky imaging of Y Oph, FF Aql, X Sgr, W Sgr, and {\ensuremath{\eta}} Aql}",
      journal = {\aap},
     keywords = {instrumentation: adaptive optics, techniques: high angular resolution, stars: variables: Cepheids, binaries: visual, Astrophysics - Solar and Stellar Astrophysics},
         year = 2014,
        month = jul,
       volume = {567},
          eid = {A60},
        pages = {A60},
          doi = {10.1051/0004-6361/201423872},
archivePrefix = {arXiv},
       eprint = {1406.0493},
 primaryClass = {astro-ph.SR},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2014A&A...567A..60G},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

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